We fired our APCP booster at FAR ealier this month. Just over 40,000 Nsec, it will be used for our project 'Rare Air' to boost a sustainer to 120,000' later at Black Rock. https://www.youtube.com/watch?v=e8uOnT62UYE

That APCP booster was made with some parts left over from identical motors we built for Myth Busters JATO 3 episode.12 motors that not only had to all work but all light within a fraction of a second of each other.Enough impulse for a sub-orbital (orbital?) flight in the right rocket ( :